yum -y install cockpit
systemctl start cockpit.service  # ss -tunlp | grep -w :9090
systemctl enable cockpit.socket
#yum list cockpit*
yum -y install cockpit-composer cockpit-dashboard cockpit-doc cockpit-docker cockpit-kubernetes cockpit-machines cockpit-machines-ovirt cockpit-packagekit cockpit-pcp cockpit-storaged cockpit-subscriptions cockpit-tests
systemctl restart cockpit.service